Maxclamp 6″ Double Transverse C-Clamp. It Functions Like A Vise And Provides An Extra Hand In The Shop. It Is Proven Itself Useful In Woodworking, Fabrication, Construction And Many General Projects. It Has A Jaw Width Of 6″, A Throat Depth Of 3″ And A Maximum Opening Of 6″. It Is Made Of Steel And Has A Clamping Strength Of 1000 Lb.